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Regular Expression
/
([0-9]+)(\s+)?(?=mA)
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gm
Input 1
New
case 1, only number and unit: 1mA case 2, number and unit, space: 1mA current case 3, number and unit, punctuation: 1mA, case 4, number and unit, Unicode characters: 1mA电流I case 1, only number and unit: 10mA case 2, number and unit, space: 100mA current case 3, number and unit, punctuation: 10 mA , case 4, number and unit, Unicode characters: 1000 mA电流I
Substitution
case 1, only number and unit: 1mA case 2, number and unit, space: 1mA current case 3, number and unit, punctuation: 1mA, case 4, number and unit, Unicode characters: 1mA电流I case 1, only number and unit: 10mA case 2, number and unit, space: 100mA current case 3, number and unit, punctuation: 10 mA , case 4, number and unit, Unicode characters: 1000 mA电流I